swath: IW1
Bperp (average): 75.94510016337051
Bpar (average): -65.59592519077786
swath: IW2
Bperp (average): 70.39376993807484
Bpar (average): -71.4855743890401
swath: IW3
Bperp (average): 65.37068441441255
Bpar (average): -76.07705651388932